Protege LX L4-1489cc 1.5L DOHC MFI (1998)
When 1 range is selected, line pressure (5) is transmitted to low reducing pressure (10).
Low reducing pressure (10) is then also applied to the left end of the valve, pushing it to the right side.
As a result, the valve closes the passage from line pressure (5) to (10) and opens the drain port for low reducing pressure (10).
Thus, low reducing pressure (10) is lowered.
If low reducing pressure (10) decreases, allowing the valve to move to the left side by spring force the valve will close the drain port.
N-D Accumulator
Outline
The N-D accumulator moderates the rapid increase in hydraulic pressure during the forward clutch engagement. This reduces shift shock generated
when D range is selected from N position.
Operation
In N position, line pressure (7) is applied to the right end of the piston, pushing it to the left side.
When D range is selected from the N position, line pressure (1), which engages the forward clutch, is applied to the left end of the piston.
As a result, the combination of line pressure (1) and spring force overcomes the combination of line pressure (7) and spring force, moving the piston
gradually to the right side.
This movement of the piston moderates the rapid increase in line pressure (1).
N-R Accumulator
Outline
The N-R accumulator moderates the rapid increase in the hydraulic pressure during the reverse clutch engagement. This reduces shift shock generated
when R position is selected from N position.
Operation
In N position, spring force pushes the piston to the left side.